.empty {
  position: absolute;
  transform-origin: center;
  border-radius: 10px;
  box-shadow: -2px -2px 10px #000;
  transition: transform 0.3s ease; // 加入平滑过渡效果

  .empty-content{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    .ball {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background-color: #f00;
      margin: 5px;
    }
  }
}
